Go on a run that never runs out in the Glycerin Max 2. Dual-cell DNA TUNED cushion is optimized for soft landings and powerful toe-offs, while a GlideRoll Rocker helps provide a more fluid step-through to help you truly tune out and max your run. Best for: Road running, Long runs, Daily runs, Protective cushioning. Features: Plush, tuned cushioning, GlideRoll™ Rocker helps smooth heel-to-toe transitions, Stacked cushioning, Triple jacquard air mesh upper.